I modified it using the official blue_chat example. After adding a characteristic value using aci_gatt_add_char, I couldn't search for Bluetooth signals. After removing the newly added one, there was ...
When we use RISC-V GCC for embedded development, we have to deal with startup files and link files. This article records some learning notes related to link scripts.
1. Basic concepts
The main purpose...
Recently, I was studying the official FreeRTOS Chinese practical tutorial. In the binary semaphore unit, when I ran the example given in the document, I found that the __asm(0x82) section could not pa...
First of all, I would like to thank EE for this Raspberry Pi Pico review event. I learned a lot about Pico hardware and related software during this event. Now I would like to report my review experie...
Right click on the blank space of the Design tab in the previous marquee project https://en.eeworld.com/bbs/thread-1188701-1-1.html
Create a new gao fileSelect Default SettingsDetermine the file nameC...
I made 2 mistakes at the beginning;
1: When sending the online command AT, the interrupt receiving function, RsBuf =SBUF;
The RsPoint in should be set to zero.
2: In the serial port interrupt fun...[Details]
At present, developing a green economy and reducing carbon emissions have become a global consensus. Under the national "30•60" carbon peak and carbon neutrality goals and visions, changing the ene...[Details]
On September 3, 2018, Director Li and Deputy Director Zhang of Zhejiang Provincial Foreign Experts Bureau, Director Fan of Huzhou Foreign Experts Bureau, Director Wang of Changxing Coun...[Details]
Since the beginning of this year, State Grid Liaoning Integrated Energy Services Co., Ltd. has based itself on the positioning of a market-oriented enterprise, leveraged the advantages of the grid'...[Details]
What is DMA used for?
Direct memory access is used to provide high-speed data transfer between peripherals and memory or between memory and memory. Data can be moved quickly through DMA with...[Details]
1. Use Jlink to download the program, without performing Flash whole chip erasure. 2. Based on 1, The following situation occurs, When you download a larger program such as 30k for the ...[Details]
For a car, the powertrain is very important. As we switch from traditional fuel vehicles to electric vehicles, the powertrain is also developing rapidly.
● Volkswagen TSI+DSG golden powe...[Details]
This paper analyzes the application of independent photovoltaic systems in solving the power supply problems of border island troops and the construction of ecological camps, discusses the main pro...[Details]
Because the 32-bit serial number needs to be burned into the internal EEPROM, you need to know whether the format of the burner is big endian or little endian. Because the program needs to use the se...[Details]
According to news on January 8, Samsung is developing a VR/XR headset to compete with Apple’s Vision Pro, which is expected to be named Flex Magic. According to foreign media techradar, this headset ...[Details]
Portable electronics such as smartphones, GPS navigation systems, and tablets can be powered by low-voltage solar panels, batteries, or AC-DC power supplies. Battery-powered systems often stack cel...[Details]
A high-reliability linear regulator usually requires a current limiting protection circuit to prevent permanent damage to the regulator due to load short circuit or overload. Current limiting pro...[Details]
Testing the fuel system pressure on a vehicle usually requires some special tools and basic mechanical knowledge. Here are the general steps to perform a fuel system pressure test:
Note:...[Details]
According to Korean media Thelec, LGD has decided to increase the production of the E6-1 and E6-2 production lines in Paju, Gyeonggi Province, which are known as the "Apple-only lines." By next year...[Details]
1 Introduction
A computer network system that uses a computer or microcontroller to communicate with various devices on site through one or more bus modes and to achieve necessary control...[Details]